Urban concealed culvert trend continuous tracking method

An urban concealed culvert trend continuous tracking method comprises the following steps: S1, determining at least one concealed culvert exposed point or known point, and measuring the space coordinates of the exposed point or known point; s2, drilling three-dimensional laser measurement is carried...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU HUABIAO, YANG DAOHUANG, ZHU HAIDONG, ZHANG WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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